Title
Introduction to Similarity
Skill
Making a Basic Argument
EBA Activity
Argument Soap Box
Claim
Similarity should be studied outside of the classroom and not inside of the
classroom.
Procedure
This is a standard Argument Soapbox Activity.
Timing/Pacing
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Before this lesson student will have learned how to write ratios.
Students will have also learned about properties of proportions. After
this lesson student will learn about identifying similar triangles as a
preface to solving for parts of similar triangles.
This activity will take 20 minutes.
This activity will be in the middle of the lesson. Before this activity
student will have learned how to identify similar figures. Students have
also practiced solving problems involving scale factors. After this
activity students can write a reflection on the Argument Soapbox
activity and work independently on practice problems.
Notes
This activity should be used at the beginning of the unit on similarity, building
purpose and require students to activate prior knowledge. Also, this will
engage students in the study of geometry by incorporating something tangible
to students.
Follow Up
Activities
Text
To add a writing component, follow up with Mini Paragraph Writing.
Standard Geometry Text
Boston Debate League © 2012
Name:_____________________________________ Class: __________ Date:______________
Basic Argument Soapbox
Background Information
Question: Should similarity be studied outside of the classroom
and not inside of the classroom?
1) Claim (your answer to the question):
2) Warrant (your reason why your answer is true):
Speech Structure
“My claim is
______________________________________________________________________.
My warrant for this claim is
______________________________________________________________________.”
Boston Debate League © 2012
Boston Debate League © 2012